import Vue from 'vue'

import 'normalize.css/normalize.css' // A modern alternative to CSS resets

import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
import locale from 'element-ui/lib/locale/lang/en' // lang i18n

import '@/styles/index.scss' // global css

import App from './App'
import store from './store'
import router from './router'

import '@/icons' // icon
import '@/permission' // permission control

// 注册全局组件
import PageTool from '@/components/PageTool/index.vue'
import UploadExcel from '@/components/UploadExcel/index.vue'
import UploadImg from '@/components/UploadImg/index.vue'
Vue.component('PageTool', PageTool)
Vue.component('UploadExcel', UploadExcel)
Vue.component('UploadImg', UploadImg)
/**
 * If you don't want to use mock-server
 * you want to use MockJs for mock api
 * you can execute: mockXHR()
 *
 * Currently MockJs will be used in the production environment,
 * please remove it before going online ! ! !
 */
if (process.env.NODE_ENV === 'production') {
  const { mockXHR } = require('../mock')
  mockXHR()
}

// set ElementUI lang to EN
Vue.use(ElementUI, { locale })
// 如果想要中文版 element-ui，按如下方式声明
// Vue.use(ElementUI)

Vue.config.productionTip = false

// 定义处理图片错误的指令
Vue.directive('imgError', {
  inserted(el, binding) {
    // el，指的是使用指令的DOM元素(标签)
    // binding.value：使用指令时传入的数据
    console.log('自定义指令', el, binding.value)
  },
  update(el, binding) {
    // 监听错误事件
    el.addEventListener('error', () => {
      console.log('图片出错了！')
      el.src = binding.value
    })
    // 当后端返回图片为空时的处理
    el.src = el.src ? el.src : binding.value
  }
})

// 批量导入函数
import * as obj from '@/filters/index'
// 批量注册全局过滤器的方法
for (const key in obj) {
  Vue.filter(key, obj[key])
}
import mymixin from './mixin/index'
// Vue混入
Vue.mixin(mymixin)

new Vue({
  el: '#app',
  router,
  store,
  render: h => h(App)
})
